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/OpenJDK 21

Interface Guard

All Known Implementing Classes:
AllPermission, AttachPermission, AudioPermission, AuthPermission, AWTPermission, BasicPermission, CardPermission, DelegationPermission, FilePermission, FlightRecorderPermission, InquireSecContextPermission, JDIPermission, LinkPermission, LoggingPermission, ManagementPermission, MBeanPermission, MBeanServerPermission, MBeanTrustPermission, NetPermission, NetworkPermission, Permission, PrivateCredentialPermission, PropertyPermission, ReflectPermission, RuntimePermission, SecurityPermission, SerializablePermission, ServicePermission, SocketPermission, SQLPermission, SSLPermission, SubjectDelegationPermission, UnresolvedPermission, URLPermission
public interface Guard

This interface represents a guard, which is an object that is used to protect access to another object.

This interface contains a single method, checkGuard, with a single object argument. checkGuard is invoked (by the GuardedObject getObject method) to determine whether to allow access to the object.

Since:
1.2
See Also:

Method Summary

Modifier and Type Method Description
void checkGuard(Object object)
Determines whether to allow access to the guarded object object.

Method Details

checkGuard

void checkGuard(Object object) throws SecurityException
Determines whether to allow access to the guarded object object. Returns silently if access is allowed. Otherwise, throws a SecurityException.
Parameters:
object - the object being protected by the guard.
Throws:
SecurityException - if access is denied.

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/security/Guard.html